Stripe Width for an ESS SAN Storage (Shark , IBM product )

Hi  

Qs 1 What are Current Best practices of Advisable Stripe Width on the Following Storage ? Qs 2 Does the principle Stripe Width = 64K to 128K for OLTP & 256K to 512K for Batch/DSS Kind of Applications Still Hold Good ?  

NEW ESS SAN Storage to be Set up :-  

CONSTITUENTS of the Storage Box :-
Containing 2 RS6K machines within it each having 4 CPUs 8 Adapters (Controllers) , 4 belonging to Each RS6K machine 16 GB RAM + NVS on Each Adapter  

Loop 1

                   ---------8 Disks ------
Adaptor 1 o|                                  |o  2nd Adapter 
                   -------- 8 Disks ------
 

Thus there Exist 16 Loops in the Box i.e. 2 Loops per Adapter pair  

8 Disks being Considered to be put in a RAID Volume 6 Data Disks + 1 Parity Disk + 1 Hotspare Disk = 8 Disks per RAID Volume  

NOTE - Our Banking Application is a Hybrid Leaning MORE Towards OLTP  

Thanks  

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Received on Tue May 14 2002 - 02:33:17 CDT